Knowledge Base/Herbs/Sweet Wormwood
Educational and cultural reference only — not medical advice. We do not diagnose, do not prescribe, do not recommend medicines or doses, and make no claim to treat or cure any condition. Nothing here should delay you from seeking care. If you have a health concern, consult a licensed healthcare professional.
清热药（清虚热） · Heat-clearing; deficiency-heat clearing

Sweet Wormwood qīng hāo · 青蒿

Artemisiae Annuae Herba (Artemisia annua L.)

Nature and flavour. Bitter, acrid, cold; Liver and Gallbladder systems.

Classically described as clearing deficiency heat, relieving the sensation of heat deep in the bones, cooling summer heat, resolving jaundice and checking the paroxysms of malarial illness. The antimalarial compound artemisinin was isolated from this plant, which is the single most substantial modern finding attached to any Chinese herb.

性味归经。苦、辛，寒；归肝、胆经。

传统记载为清虚热、除骨蒸、解暑、退黄、截疟。现代抗疟成分青蒿素即从本品分离得到，这是中药现代化研究中最有分量的一项发现。

Classical category · no formulas, no dosages, no herb-drug combinations are given.
Safety. The crude herb is not a standard antimalarial remedy: suspected malaria is an emergency that needs proper diagnosis and standard care, and nothing in this entry is advice on that. Bitter and cold — classically avoided in cold-type deficiency of the Stomach and Spleen. Classically avoided in pregnancy, and animal data raise concern; avoid in breastfeeding. Allergy is possible in people sensitive to the daisy family. Nausea and digestive upset have been reported.

原药材本身并非规范的抗疟用药：疑似疟疾属急症，须正规诊断与规范治疗，本条目不构成这方面的建议。苦寒，传统列为脾胃虚寒者不宜。传统载孕妇不宜，动物实验亦提示风险；哺乳期避免使用。菊科过敏者可能发生过敏反应。有恶心与胃肠不适的报告。

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